CN114228965B - A control device and wind boosting system for suppressing wind boosting rotor shaking - Google Patents

Abstract

The invention belongs to the technical field of wind boosting rotors, and discloses a control device for suppressing the shaking of a wind boosting rotor. The wind boosting rotor includes an inner tower, a main shaft fixedly connected to the inner tower and coaxial with the inner tower, and a rotating The outer cylinder connected to the main shaft. The control device includes a base and a limit assembly; the base is used for installation on the deck of a ship and for installing an inner tower; the limit assembly includes a limit wheel shaft connected to the base, a limit wheel connected to the limit wheel shaft by rotation, and an installation The adjustment device for the limit wheel shaft, the outer wall of the limit wheel is used to roll and connect with the wall of the outer cylinder to limit the shaking of the outer cylinder, and the adjustment device is used to adjust the distance between the limit wheel shaft and the wall of the outer cylinder, so that The limit wheel can always be in close contact with the cylinder wall of the outer cylinder, preventing a gap between the outer cylinder and the limit wheel.

Description

A control device and wind boosting system for suppressing wind boosting rotor shaking

technical field

The invention relates to the technical field of wind boosting rotors, in particular to a control device and a wind boosting system for suppressing the shaking of the wind boosting rotor.

Background technique

The wind boost rotor is an energy-saving auxiliary propulsion device installed on the ship's deck. Using the Magnus effect, the wind boost rotor rotates in the wind to generate a force perpendicular to the direction of the wind speed, thereby providing the ship with forward assistance. driving force.

The wind-assisted rotor generally includes a main shaft and an outer cylinder that can rotate around the main shaft. Due to the influence of manufacturing and use environment, the coaxiality of the outer cylinder axis and the main shaft axis may deviate. In order to limit the radial runout of the outer cylinder Generally, a plurality of limit wheels that rotate along the outer cylinder are arranged on the wall of the outer cylinder. The outer wall of the limit wheel is in contact with the wall of the outer cylinder to limit the radial runout of the outer cylinder, and it is required during the normal operation of the wind-assisted rotor Always keep in touch. During the sailing process of the ship, the action of wind and waves, or the friction and wear between the limit wheel and the outer cylinder will cause the outer cylinder to separate from the limit wheel, resulting in the increase of the radial runout of the outer cylinder and affecting the normal operation of the outer cylinder. More seriously, the contact between the outer cylinder and the limiting wheel may be restored quickly after the separation. Due to the high speed of the outer cylinder, it is very easy to cause an impact on the limiting wheel at the moment of contact between the outer cylinder and the limiting wheel, resulting in the limit The bit wheel is damaged.

Therefore, there is an urgent need for a control device and a wind boosting system for suppressing the shaking of the wind boosting rotor to solve the above problems.

Contents of the invention

According to one aspect of the present invention, the present invention provides a control device for suppressing sloshing of a wind-assisted rotor, which can adjust the position of the limiting wheel relative to the outer cylinder, so that the limiting wheel can always be in close contact with the outer cylinder.

For reaching above-mentioned purpose, the present invention adopts following technical scheme:

A control device for suppressing sloshing of a wind-assisted rotor, wherein the wind-assisted rotor includes an inner tower, a main shaft fixedly connected to the inner tower and coaxial with the inner tower, and an outer cylinder rotatably connected to the main shaft;

include:

a base for mounting on the deck of a ship and for mounting the aforementioned inner tower;

The limit assembly includes a limit wheel shaft connected to the base, a limit wheel rotatably connected to the limit wheel shaft, and an adjustment device installed on the limit wheel shaft. The outer wall of the limit wheel is used to connect with the outer cylinder The cylinder wall is rollingly connected, and the adjustment device is used to adjust the distance between the above-mentioned limiting wheel shaft and the cylinder wall of the above-mentioned outer cylinder.

As a preferred solution of the control device for suppressing wind-assisted rotor sloshing, the above-mentioned limiting assembly further includes a pressure sensor arranged on the above-mentioned limiting wheel shaft, and the above-mentioned pressure sensor is used to detect the force of the above-mentioned limiting wheel on the above-mentioned limiting wheel shaft pressure.

As a preferred solution of the control device for suppressing wind-assisted rotor shaking, the above-mentioned limit assembly further includes a distance sensor installed on the above-mentioned base, and the above-mentioned distance sensor is used to measure the distance between the above-mentioned distance sensor and the above-mentioned outer cylinder along a set direction. the distance between the cylinder walls.

As a preferred solution of the control device for suppressing the sway of the wind-assisted rotor, the above-mentioned limit assembly further includes a rotation speed sensor, and the above-mentioned rotation speed sensor is used for being installed on the above-mentioned outer cylinder and used for detecting the rotation speed of the above-mentioned outer cylinder.

As a preferred solution of the control device for suppressing wind-assisted rotor shaking, the adjustment device includes a driving member, a connecting member and an elastic member, the connecting member is slidably arranged on the base, and the connecting member and the limiting wheel shaft pass The elastic member is connected, and the driving member is used to drive the connecting member to slide to adjust the distance between the limiting wheel shaft and the wall of the outer cylinder.

As a preferred solution of the control device for suppressing the sway of the wind-assisted rotor, the above-mentioned driving member is an air cylinder or a hydraulic cylinder.

As a preferred solution of the control device for suppressing the sway of the wind-assisted rotor, there are multiple limiting assemblies, and the limiting wheels of the multiple limiting assemblies are arranged at intervals along the cylinder wall of the outer cylinder.

As a preferred solution of the control device for suppressing the swaying of the wind-assisted rotor, the above-mentioned limiting wheel is made of elastic material.

As a preferred solution of the control device for suppressing the sloshing of the wind-assisted rotor, an alarm is also included, and the above-mentioned alarm is used to issue warning information.

According to another aspect of the present invention, a wind boosting system is provided, including a wind boosting rotor and the above-mentioned control device for suppressing the wind boosting rotor from shaking.

The beneficial effects of the present invention are:

The limit wheel is rotated on the limit wheel shaft connected to the base, and the outer wall of the limit wheel is rollingly connected with the wall of the outer cylinder, so that the limit wheel can play a role in limiting the shaking of the outer cylinder. At the same time, an adjusting device is provided to adjust the distance between the limit wheel shaft and the wall of the outer cylinder, and then adjust the position of the limit wheel relative to the wall of the outer cylinder, so that the limit wheel can always be close to the wall of the outer cylinder to prevent the The gap between the cylinder wall of the cylinder and the limit wheel causes the outer cylinder to frequently break away from the limit wheel and hit the limit wheel, which impacts the limit wheel and causes damage to the limit wheel.

Description of drawings

Fig. 1 is a structural schematic diagram of a control device for suppressing wind-assisted rotor shaking in an embodiment of the present invention;

Fig. 2 is a schematic top view of a control device for suppressing wind-assisted rotor shaking in an embodiment of the present invention;

Fig. 3 is a schematic diagram of the control principle of the control device for suppressing the sway of the wind-assisted rotor in the embodiment of the present invention.

In the picture:

101, outer cylinder; 102, inner tower; 103, main shaft;

1. Base;

2. Limiting component; 21. Limiting wheel shaft; 22. Limiting wheel; 23. Adjusting device; 24. Pressure sensor; 25. Distance sensor; 26. Speed sensor;

3. Controller;

4. Siren; 41. Loudspeaker; 42. Warning light.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

In the present invention, unless otherwise clearly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this embodiment, the terms "up", "down", "left", "right" and other orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operations. It is not intended to indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first" and "second" are only used to distinguish in description, and have no special meaning.

A wind-assisted rotor generally includes a main shaft and an outer cylinder that can rotate around the main shaft. Due to the influence of manufacturing and use environment, the coaxiality of the axis of the outer cylinder and the axis of the main shaft may deviate. Generally, the radial runout of the outer cylinder is limited by setting a plurality of limit wheels that rotate along themselves on the wall of the outer cylinder. However, due to the influence of the external environment and friction and wear, the outer cylinder and the limit wheel are separated, resulting in aggravated radial runout of the outer cylinder, and even the contact between the outer cylinder and the limit wheel may be restored quickly after the separation, causing an impact on the limit wheel , resulting in damage to the limiting wheel.

In view of the above problems, this embodiment provides a control device for suppressing the shaking of the wind-assisted rotor, which can adjust the position of the limit wheel relative to the wall of the outer cylinder, so that the limit wheel can always be in close contact with the outer cylinder. The wall can be used in the technical field of wind boosting rotors.

Fig. 1 shows a schematic structural view of a control device for suppressing wind-assisted rotor sway in an embodiment of the present invention; Fig. 2 shows a schematic top view of a control device for suppressing wind-assisted rotor sway in an embodiment of the present invention. Referring to Figures 1-2, the wind booster rotor includes an inner tower 102, a main shaft 103 fixedly connected to the inner tower 102 and coaxial with the inner tower 102, and an outer cylinder 101 rotatably connected to the main shaft 103, through the rotation of the outer cylinder 101 Provide auxiliary power for ships.

Continuing to refer to FIGS. 1-2 , the control device for suppressing wind-assisted rotor sloshing includes a base 1 and a limit assembly 2 , the base 1 is used to install on the deck of a ship, and is used to install an inner tower 102 . The limit assembly 2 includes a limit wheel shaft 21 connected to the base 1, a limit wheel 22 rotatably connected to the limit wheel shaft 21, and an adjustment device 23 installed on the limit wheel shaft 21. The outer wall of the limit wheel 22 is used for The cylinder wall of the cylinder 101 is connected by rolling. In the description of this embodiment, the cylinder wall of the outer cylinder 101 may refer to the outer wall of the outer cylinder 101 or the inner wall, which is not limited. The spacer wheel 22 can limit the radial runout of the outer cylinder 101 and play a role in limiting the shaking of the outer cylinder 101 . The adjusting device 23 is used to adjust the distance between the limit wheel shaft 21 and the wall of the outer cylinder 101, so that the limit wheel 22 can always be in close contact with the wall of the outer cylinder 101, preventing the wall of the outer cylinder 101 from contacting the limit wheel. Gap between 22 causes the cylinder wall of the outer tube 101 rotating at high speed to break away from the limiting wheel 22 frequently and re-contact with the limiting wheel 22, causing an impact on the limiting wheel 22 and causing the limiting wheel 22 to be damaged.

Continuing to refer to FIGS. 1-2 , the limit assembly 2 also includes a pressure sensor 24 arranged on the limit wheel shaft 21. The pressure sensor 24 is used to detect the pressure applied by the limit wheel 22 to the limit wheel shaft 21, which is equivalent to detecting the pressure of the outer cylinder 101. The cylinder wall gives the pressure of the limit wheel 22. When it is detected that the pressure value decreases, it indicates that the cylinder wall of the outer cylinder 101 is moving away from the limit wheel 22. At this time, the adjustment device 23 adjusts the limit wheel shaft 21 to be close to the cylinder wall of the outer cylinder 101 so that the cylinder wall of the outer cylinder 101 is given a limit The pressure of the wheel 22 is maintained within a suitable range.

Continuing to refer to Fig. 1-Fig. 2, the limit assembly 2 also includes a distance sensor 25 installed on the base 1, the distance sensor 25 is used to measure the distance between the distance sensor 25 and the cylinder wall of the outer cylinder 101 along the set direction, set The fixed direction may be along the radial direction of the outer cylinder 101, or other preset directions. Furthermore, the adjusting device 23 adjusts the position of the limiting wheel shaft 21 according to the position of the outer cylinder 101 relative to the base 1 . The distance sensor 25 and the pressure sensor 24 can be used alone to adjust the position of the limiting wheel shaft 21 , and can also be used in combination to adjust the position of the limiting wheel shaft 21 .

Continuing to refer to Fig. 1-Fig. 2, during the adjustment process, the rotational speed of the outer cylinder 101 will also have an impact on the adjustment amount of the limiting wheel shaft 21, so the limiting assembly 2 also includes a rotational speed sensor 26, which is used to be installed outside The cylinder 101 is also used to detect the rotation speed of the outer cylinder 101 , and the rotation speed data is used to assist in calculating the expected value of the position adjustment of the limit wheel shaft 21 .

Fig. 3 shows a schematic diagram of the control principle of the control device for suppressing the sway of the wind-assisted rotor in the embodiment of the present invention. 1-3, the control device also includes a controller 3, the pressure sensor 24 detects the pressure of the limit wheel 22 on the limit wheel shaft 21 and sends it to the controller 3, and the distance sensor 25 detects the distance between the distance sensor 25 and the wall of the outer cylinder 101. and send it to the controller 3, and the rotation speed sensor 26 detects the rotation speed of the outer cylinder 101 and sends it to the controller 3. The controller 3 receives the above data, generates an adjustment instruction and sends it to the adjustment device 23, and the adjustment device adjusts the position of the limiting wheel shaft 21 according to the adjustment instruction.

Continuing to refer to FIGS. 1-3 , the adjusting device 23 includes a driving part, a connecting part and an elastic part. After the adjustment command, the driving member drives the connecting member to slide to adjust the distance between the limiting wheel shaft 21 and the cylinder wall of the outer cylinder 101 . When the driving part does not receive the adjustment command, by setting the elastic part, the limit wheel shaft 21 can still be displaced relative to the connecting part and the drive part, so that when the radial runout of the outer cylinder 101 is small, the limit wheel 22 can The outer wall of the outer cylinder is always in contact with the wall of the outer cylinder 101, and at the same time, the outer cylinder 101 drives the limit wheel 22 and the limit wheel shaft 21 to shift, and the elastic force provided by the elastic member drives the limit wheel shaft 21 and the limit wheel 22 to reset. Further, it drives the outer cylinder 101 to reset without adjusting the position of the connecting part through the driving part.

Continuing to refer to FIGS. 1-2 , the limiting wheel 22 is made of elastic material, so that when the radial runout of the outer cylinder 101 is small, the limiting wheel 22 can be elastically deformed. Optionally, the limiting wheel 22 is made of wear-resistant and high-temperature-resistant materials such as rubber, or made of wear-resistant and high-temperature resistant materials such as polyurethane, which are also anti-aging and have high hardness. By arranging the elastic member and using the limit wheel 22 made of elastic material, when the shaking amount of the outer cylinder 101 is within the allowable range, the outer wall of the limit wheel 22 is always in contact with the cylinder wall of the outer cylinder 101, and the driving member No driving force is provided, so that the position of the connecting piece remains relatively static, and the outer cylinder 101 is driven to return by relying on the elastic force provided by the elastic piece and the limit wheel 22 .

Continuing to refer to FIGS. 1-2 , the adjusting device 23 adjusts the distance between the limit wheel shaft 21 and the wall of the outer cylinder 101 , specifically drives the limit wheel shaft 21 along the radial direction of the outer cylinder 101 to approach or move away from the cylinder of the outer cylinder 101 Therefore, the adjusting device 23 should be able to make the limiting wheel shaft 21 slide along the radial direction of the outer cylinder 101 . In this embodiment, the adjustment device 23 is an air cylinder or a hydraulic cylinder. The fixed end of the air cylinder or hydraulic cylinder is fixed on the base 1, and the telescopic end is connected to the limit wheel shaft 21 to adjust the limit wheel shaft 21 relative to the outer cylinder 101. The effect of the cylinder wall distance. In addition, the adjusting device 23 may also be other devices capable of driving the limiting wheel shaft 21 to slide radially along the outer cylinder 101 .

Continuing to refer to FIG. 1-FIG. 2, there are multiple limit assemblies 2, and the limit wheels 22 of the multiple limit assemblies 2 are arranged at intervals along the wall of the outer cylinder 101, so that the outer cylinder can be positioned in different directions along the wall of the outer cylinder 101. 101 to limit. Preferably, the number of limiting components 2 is 3-40, and when the diameter of the outer cylinder 101 is larger, the number of limiting components 2 can be even more. When the diameter of the outer cylinder 101 is small, the quantity of the limit assembly 2 is preferably 8, and the included angle between the limit wheel shaft 21 of two adjacent limit assemblies 2 and the axis of the outer cylinder 101 is 45°. °.

Continuing to refer to FIGS. 1-3 , the control device for suppressing wind-assisted rotor shaking further includes an alarm 4, which is used to issue warning messages. The alarm 4 is controlled by the controller 3, and when the shaking of the outer tube 101 reaches a preset alarm threshold, the controller 3 sends an alarm command to the alarm 4, and the alarm 4 sends a warning message. Optionally, the alarm 4 includes a speaker 41 and a warning light 42 , both of which are controlled by the controller 3 , and the warning information includes an acoustic signal from the speaker 41 and a light signal from the warning light 42 .

The following describes the control method of the control device for suppressing wind-assisted rotor shaking in this embodiment in conjunction with FIGS. 1-3 :

The pressure sensor 24 detects the pressure on the limit wheel shaft 21 from the limit wheel 22 , the distance sensor 25 detects the distance between the distance sensor 25 and the wall of the outer cylinder 101 , and the rotational speed sensor 26 detects the rotational speed of the outer cylinder 101 . All the above information is sent to the controller 3. When the amount of shaking is within the allowable range, no adjustment is made, and the outer cylinder 101 is driven to reset only by the elastic force of the elastic member and the limit wheel 22 made of elastic material. When the amount of shaking exceeds the allowable range, the controller 3 calculates the expected value of the position adjustment of the limit wheel shaft 21, generates an adjustment command and sends it to the adjustment device 23, and the adjustment device adjusts the position of the limit wheel shaft 21 according to the adjustment command. When the amount of shaking is too large and exceeds the preset alarm threshold, the controller 3 controls the loudspeaker 41 to send out sound signals and the warning light 42 to send out warning messages such as light signals to remind staff to take relevant measures.

This embodiment also provides a wind boosting system, including a wind boosting rotor and the control device for suppressing the wind boosting rotor sloshing, which can be applied to ships, so that the wind boosting rotor can stably provide auxiliary power for the ship.

Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. Various obvious changes, readjustments, and substitutions will occur to those skilled in the art without departing from the scope of the present invention. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (7)

1. A control device for suppressing sloshing of a wind-assisted rotor, the wind-assisted rotor comprising an inner tower (102), fixedly connected to the inner tower (102) and coaxial with the inner tower (102) A main shaft (103) of the thread and an outer cylinder (101) rotatably connected to the main shaft (103); It is characterized by including: a base (1) for mounting on the deck of a ship and for mounting said inner tower (102); The limiting assembly (2) includes a limiting wheel shaft (21) connected to the base (1), a limiting wheel (22) rotatably connected to the limiting wheel shaft (21), and a limiting wheel (22) installed on the limiting wheel shaft (21). The adjusting device (23) of the wheel shaft (21), the outer wall of the limiting wheel (22) is used for rolling connection with the cylinder wall of the outer cylinder (101), and the adjusting device (23) is used for adjusting the limiting wheel (22). The distance between the wheel shaft (21) and the wall of the outer cylinder (101); The control device for suppressing wind-assisted rotor shaking also includes a controller (3); the limit assembly (2) also includes a pressure sensor (24) arranged on the limit wheel shaft (21), the The pressure sensor (24) is used to detect the pressure given to the limiting wheel shaft (21) by the limiting wheel (22), and sends the detected pressure to the controller (3), and the controller (3 ) can generate an adjustment instruction and send it to the adjustment device (23), and the adjustment device (23) can adjust the position of the limiting wheel shaft (21) according to the adjustment instruction; The adjusting device (23) includes a driving part, a connecting part and an elastic part, the connecting part is slidably arranged on the base (1), and the connecting part and the limiting wheel shaft (21) pass through the elastic part connected, the driving part is used to drive the connecting part to slide to adjust the spacing between the limit wheel shaft (21) and the cylinder wall of the outer cylinder (101); The driving member is an air cylinder or a hydraulic cylinder. 2. The control device for suppressing wind-assisted rotor shaking according to claim 1, characterized in that, the limit assembly (2) also includes a distance sensor (25) installed on the base (1) , the distance sensor (25) is used to measure the distance between the distance sensor (25) and the cylinder wall of the outer cylinder (101) along a set direction. 3. The control device for suppressing wind-assisted rotor shaking according to claim 1, characterized in that, the limit assembly (2) further includes a rotational speed sensor (26), and the rotational speed sensor (26) is used for It is installed on the outer cylinder (101) and used for detecting the rotation speed of the outer cylinder (101). 4. The control device for suppressing wind-assisted rotor sloshing according to any one of claims 1-3, characterized in that, the limit assembly (2) is provided with a plurality, and a plurality of the limit assemblies (2) The limiting wheels (22) are arranged at intervals along the cylinder wall of the outer cylinder (101). 5. The control device for suppressing swaying of a wind-assisted rotor according to any one of claims 1-3, characterized in that, the limiting wheel (22) is made of elastic material. 6. The control device for suppressing wind-assisted rotor sloshing according to any one of claims 1-3, further comprising an alarm (4), which is used to issue a warning message . 7. A wind boosting system, characterized by comprising a wind boosting rotor and the control device for suppressing the wind boosting rotor shaking according to any one of claims 1-6.

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